PodCTL Basics - How to Containerize an Application
Play • 14 min

Show Overview: Brian and Tyler discuss the basics of how an application gets into a container, how to layer OS + applications + dependencies, how a container interacts with a container registry, and how container files different from Kubernetes manifests.
Show Notes:

Topic 1 - How does a Container know what application to run?

  • Metadata
  • Image Layers

Topic 2 - Can any Application run in a Container? Does it have to be modified?

  • User namespace vs. Root
  • Resource requirements

Topic 3 - How does a Container interact with a Container Registry?

Topic 4 - How does a Container tell Kubernetes about it’s Application needs (HA, Static IP, Storage, etc.)?

  • Pods and Manifests

Topic 5 - Can a Containerized Application interact with other applications? How?

  • Within a Cluster
  • DNS Services / Networking
  • Kubernetes Services
  • Service Discovery frameworks


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